#3153A5#3153A5

#3153A5 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.138 H 264.6°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#3153A5
RGB	rgb(49, 83, 165)
HSL	hsl(222, 54%, 42%)
HSV	hsv(222, 70%, 65%)
CMYK	cmyk(70.3%, 49.7%, 0%, 35.3%)
CIE-LAB	lab(37.03, 16.17, -47.94)
CIE-LCH	lch(37.03, 50.59, 288.64°)
OKLab	oklab(46.28% -0.0129 -0.1375)
OKLCH	oklch(46.28% 0.138 264.6)
XYZ	xyz(11.1490, 9.5550, 36.8467)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153A5 #A58331

analogous

#318DA5 #3153A5 #4931A5

triadic

#3153A5 #A53153 #53A531

tetradic

#3153A5 #A5318D #A58331 #31A549

square

#3153A5 #A5318D #A58331 #31A549

split-complementary

#3153A5 #A54931 #8DA531

monochromatic

#152447 #233B76 #3153A5 #4A6FC9 #7995D7

Accessibility & contrast

On white

7.21

#3153A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3153A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3153A5

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153A5	#FFFFFF	#000000	##FFFFFF
##3153A5	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255DA8

Deuteranopia (green-blind)

#0052A3

Tritanopia (blue-blind)

#006674

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3153a5;
/* rgb */ color: rgb(49, 83, 165);
/* oklch */ color: oklch(46.3% 0.138 264.6);

Tailwind

colors: {
  custom: {
    50: '#7782c0',
    500: '#3153a5',
    950: '#000000',
  },
}

SCSS

$custom: #3153a5;
$custom-light: #7782c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3153a5",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 165
  },
  "hsl": {
    "h": 222.414,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46282,
    "c": 0.13815,
    "h": 264.6
  },
  "luminance": 0.09556
}

Semantic roles & 50–950 ramp

primary

#3153A5

secondary

#C0A972

accent

#B24ADE

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3153A5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →